package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.CateGoryService;
import lombok.extern.java.Log;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CateGoryService cateGoryService;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category:{}", category);
        cateGoryService.save(category);
        return R.success("新增分类成功");

    }

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
//        分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
//    条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//    添加排序字段，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);

        //查询
        cateGoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    @DeleteMapping()
    public R<String> delete (Long ids){
        log.info("删除分类，Id为{}" ,ids);
//        cateGoryService.removeById(ids);
        cateGoryService.remove(ids);

        return R.success("分类信息删除成功");

    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息 ：{}",category);
        cateGoryService.updateById(category);
        return R.success("修改分类信息成功");


    }

    /**
     * 根据条件查询分类数据（新增菜品时下拉框）
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        添加条件
        queryWrapper.eq(category.getType() !=null,Category::getType,category.getType());
//添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> lists = cateGoryService.list(queryWrapper);
        return R.success(lists);

    }


}
